Re: [uml-devel] Kallsyms on UML

[Sonny Rao <sonny@burdell.org>]

On Mon, Jul 26, 2004 at 10:57:05AM +0700, Mulyadi-Santosa wrote:
> Hello Sonny
> 
> >I had one question, I noticed that on stack traces I'm 
> >not getting
> >symbols even though I had CONFIG_KALLSYMS enabled.  I 
> >looked into it a
> >bit more and it appears that the kernel build system is 
> 
> Ehm, have you done EXPORT_SYMBOL(your_proc) or 
> EXPORT_SYMBOL(your_variable). I am not sure is this what 
> you want, but I do this on my trial kernel module (well, I 
> am still kernel newbie after all :-)) )

I was referring to the stack traces which appear after an Oops or
panic, or if you is simply call dump_stack() somewhere.  Normally, if
CONFIG_KALLSYMS isn't defined in the kernel's .config file, then those
stack traces don't show function names, just the address of the
function, which is somewhat annoying to decode :)  

Fortunately, an in-kernel symbol table has been added in 2.6 which
does the work for you.  It doesn't seem to work out of the box on UML
on 2.6, and I was just wondering if it would be trivial to add that
support to UML.  It seems that way to me, and its a rather useful
feature for people using UML as a kernel development tool.

Sonny


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